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Accumulated Other Comprehensive Income
 6 Months Ended
Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income

The table below shows the activity and accumulated balances for components of other comprehensive income. The largest component is the unrealized holding gains and losses on available for sale securities. Unrealized gains and losses on debt securities for which an other-than-temporary impairment (OTTI) has been recorded in current earnings are shown separately below. The other component is the amortization from other comprehensive income of losses associated with pension benefits, which occurs as the losses are included in current net periodic pension cost.
 
Unrealized Gains (Losses) on Securities (1)
Pension Loss (2)
Total Accumulated Other Comprehensive Income
(In thousands)
OTTI
Other
Balance January 1, 2016
$
3,316

$
49,750

$
(20,596
)
$
32,470

Other comprehensive income (loss) before reclassifications
(911
)
163,925

—

163,014

Amounts reclassified from accumulated other comprehensive income
270

—

1,158

1,428

Current period other comprehensive income (loss), before tax
(641
)
163,925

1,158

164,442

Income tax (expense) benefit
243

(62,291
)
(440
)
(62,488
)
Current period other comprehensive income (loss), net of tax
(398
)
101,634

718

101,954

Balance June 30, 2016
$
2,918

$
151,384

$
(19,878
)
$
134,424

Balance January 1, 2015
$
3,791

$
81,310

$
(23,008
)
$
62,093

Other comprehensive income (loss) before reclassifications
(449
)
(19,988
)
—

(20,437
)
Amounts reclassified from accumulated other comprehensive income
483

(2,813
)
1,309

(1,021
)
Current period other comprehensive income (loss), before tax
34

(22,801
)
1,309

(21,458
)
Income tax (expense) benefit
(13
)
8,664

(497
)
8,154

Current period other comprehensive income (loss), net of tax
21

(14,137
)
812

(13,304
)
Reclassification for securities for which impairment was not previously recognized
43

(43
)
—

—

Balance June 30, 2015
$
3,855

$
67,130

$
(22,196
)
$
48,789


(1) The pre-tax amounts reclassified from accumulated other comprehensive income are included in "investment securities gains (losses), net" in the consolidated statements of income.
(2) The pre-tax amounts reclassified from accumulated other comprehensive income are included in the computation of net periodic pension cost as "amortization of prior service cost" and "amortization of unrecognized net loss" (see Note 6), for inclusion in the consolidated statements of income.